ASTMA106鋼管-NPS3/4SCH40S
ASTMA333-6無縫鋼管-BN900SCH10
ASTMA106B美標鋼管-NPS44SCH40
ASTMA106B美標鋼管-273.1*25.4
ASTMA106B美標無縫鋼管-BN6SCH100
A106無縫鋼管-NPS32SCH80
ASTM無縫鋼管-BN20SCH40S
ASTMA106B無縫鋼管-BN20SCH80S
ASTMA333-6無縫鋼管-NPS22SCH100
ASTMA106-B無縫鋼管-NPS3/8XXS
美標低溫鋼管-NPS20SCH80
GR.B無縫鋼管-BN250SCH120
A106鋼管-BN8XS
A106B無縫管-BN700SCH40S
ASTMA106GRB無縫鋼管-NPS11/4SCH140
ASTMA106B無縫鋼管-33.4*9.09
ASTM美標無縫鋼管-NPS10SCH80S
GR.B無縫管-BN6SCH10
ASTMA106-B美標無縫鋼管-NPS12SCH140
A106無縫鋼管-NPS31/2SCH10S